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NTSB Report
September 16, 2013 · Cessna T310R · N712SB
San Luis Obispo, CA
Overview
Report Status
Final with probable cause
Event Type
Accident
Date
September 16, 2013
Injury Outcomes
No injuries (1 uninjured)
Location
San Luis Obispo, CA
Aircraft
Cessna T310R (1975)
Tail Number
N712SB
Operator
Singer Nathan
Injuries
None
Aircraft Damage
Substantial
NTSB Number
WPR13CA413
The pilot reported that during the landing roll of his second uneventful landing, the right main landing gear started to shimmy. He slowed the airplane and proceeded towards the nearest taxiway. Before exiting the runway, the pilot went to retract the flaps when he inadvertently raised the landing gear handle. He quickly re-lowered the landing gear handle; however, the right main landing gear had already started to retract. The airplane veered to the right, exited the runway surface, and came to rest on the grass. The airplane's right wing was substantially damaged. The pilot reported no preimpact mechanical failures or malfunctions with the airframe or engine that would have precluded normal operation.
NTSB Probable Cause
The pilot's inadvertent action of retracting the landing gear instead of the flaps during the landing roll, which resulted in the right main landing gear collapsing.
Full Narrative
The pilot reported that during the landing roll of his second uneventful landing, the right main landing gear started to shimmy. He slowed the airplane and proceeded towards the nearest taxiway. Before exiting the runway, the pilot went to retract the flaps when he inadvertently raised the landing gear handle. He quickly re-lowered the landing gear handle; however, the right main landing gear had already started to retract. The airplane veered to the right, exited the runway surface, and came to rest on the grass. The airplane's right wing was substantially damaged. The pilot reported no preimpact mechanical failures or malfunctions with the airframe or engine that would have precluded normal operation.
Flight
Event TypeAccident
Event Time19:51 PDT
Nearest AirportSan Luis County Rgnl (0nm)
Runway29
Runway Length6100 ft
Runway Width50 ft
Flight Plan FiledNone
Flight Plan ActivatedNo
Aircraft FireUnknown
Aircraft ExplosionUnknown
Aircraft
AircraftCessna T310R
Tail NumberN712SB
Aircraft CategoryAir
DamageSubstantial
OperatorSinger Nathan
Operating RulePart 91
Engines2
Engine TypeReciprocating
Engine DetailsContinental · TSIO-520 SERI · Reciprocating · 300 | Continental · TSIO-520 SERI · Reciprocating · 300
Seats6
People & Injuries
Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 59 · Second Class · None
Conditions
ConditionsVMC
LightDaylight
Wind6 kt, gusting 16 kt
Visibility10 sm
CeilingNone
Temperature / Dew Point59 / 54
Altimeter29.72 inHg
Observation Time02:56
Weather SourceWFAC